Modified_Hoehn_and_Yahr_Scale_for_Parkinsons_Disease v.1

The Modified Hoehn and Yahr Scale for Parkinson’s Disease Grades severity of symptoms in Parkinson’s disease.

Jack Msonkho

models@cambiocds.com

@Cambio CDS

Grading severity of symptoms in Parkinson’s disease.

The guideline is to grade the severity of Parkinson's disease based on the observable symptom. Higher stage indicates higher degree of disability. FORMULA: A stage is assigned to the different symptoms. Unilateral involvement only Stage 1 Unilateral and axial involvement Stage 1.5 Bilateral involvement without impairment of balance Stage 2 Mild bilateral disease with recovery on pull test Stage 2.5 Mild to moderate bilateral disease; some postural instability; physicially independent Stage 3 Severe disability; still able to walk or stand unassisted Stage 4 Wheelchair bound or bedridden unless aided Stage 5

Hoehn MM, Yahr MD. Parkinsonism: onset, progression and mortality. Neurology. 1967;17(5):427-42. Validation: Goetz CG, Poewe W, Rascol O, et al. Movement Disorder Society Task Force report on the Hoehn and Yahr staging scale: status and recommendations. Mov Disord. 2004;19(9):1020-8.

OBSERVATION.modified_hoehn_and_yahr_scale_for_parkinsons_disease.v0, EVALUATION.modified_hoehn_and_yahr_scale_for_parkinsons_disease.v0